• Date JoinedJun 10, 2006
  • Total Views54,090


ewilhelm9 years ago
I know you've been around for a while, but I realized I never said hello. Thanks for sharing your projects, and welcome to Instructables! Let me know if you have any questions.
Chitput9 years ago
ref : High Heat alarm circuit hey EJ, which op-amp did u use...? was cusrious cus of the 4.5v power supply, LM741 does work only with +12v to -12v